Set in 1990s Seoul, rural police officer Park Jun Mu goes undercover to infiltrate a drug cartel behind the powerful new drug "Gangnam Crystal." As he uncovers the organization's secrets, he learns that his wife, detective Yoo Eui Jeong, is also involved, and may share a hidden past with the cartel’s kingpin. Torn between duty and love, Park fights to dismantle the operation while protecting his wife.
Getting inside the head of a violent criminal is not easy. But Simon, Bo Jinyan, a brilliant criminal psychologist, has the ability to get into the minds of even the most mysterious and violent criminals. He was a professor at The University of Maryland and works as an analyst and advisor on the police department’s most violent or difficult cases. With the help of his young assistant, Jenny Jian Yao, Simon delves into the thoughts and intentions of the criminal mind. As the daughter of a veteran police investigator with a deep sense of justice, can Jenny help Simon open up emotionally as they work together to solve crimes?
